- 15 The Quadrilateral Abcd Shown Below Represents A Sandbox Ab And Bc Have The Same Length Ad Is 9 M Long And Cd Is 4 1 (123.91 KiB) Viewed 85 times
15. The quadrilateral ABCD shown below represents a sandbox. AB and BC have the same length. AD is 9 m long and CD is 4.
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15. The quadrilateral ABCD shown below represents a sandbox. AB and BC have the same length. AD is 9 m long and CD is 4.
15. The quadrilateral ABCD shown below represents a sandbox. AB and BC have the same length. AD is 9 m long and CD is 4.2 m long. Angles ADC and ABC are 950 and 130° respectively. B с 130 4.2 m 95 D A 9 m diagram not to scale (a) Find the length of AC. (b) (i) Write down the measure of ZBCA. (ii) Calculate the length of AB. (c) Show that the area of the sandbox is 31.1 m² correct to 3 s.f. The sandbox is a prism. Its edges are 40 cm high. The sand occupies one third of the volume of the sandbox. (d) Calculate the volume of sand in the sandbox.